The first parameter is the icon index where you choose the appropriate icon. Like, in the default icon sheet, it is #64. The second one is the types. Like the 1. Physical, 2. Fire, etc. So, if you want fire to display, you would need to choose 64 in the first index of the first parameter, and 2 in the first index of the first parameter. Here is how I set it up in my game:
